发明名称 Measurement system apparatus and method of teaching units of measurement
摘要 A measurement system apparatus is provided, which includes an elongated bar and a plurality of discrete measurement unit pieces received along the bar. The elongated bar is metered in accordance with a measurement system. Each measurement unit piece represents an incremental unit of the measurement system. A method is also provided for instructing a student as to a measurement system which generally includes the steps of providing an elongated bar, with the bar being metered along its length to reflect incremental units of a measurement system, providing a plurality of measurement unit pieces corresponding to the metered incremental units of the measurement system, and placing selected measurement unit pieces along the elongated bar.
申请公布号 US2007298390(A1) 申请公布日期 2007.12.27
申请号 US20070805377 申请日期 2007.05.23
申请人 WILSON PERRY 发明人 WILSON PERRY
分类号 G09B19/02 主分类号 G09B19/02
代理机构 代理人
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